1.   Another is that ice emits vapor, so that other solids actually float, rather than slide, along the surface.

2.   Earlier this year, the police found several abandoned briefcases that had been rigged with batteries, liquid containers, vents and ultrasonic humidifiers to emit vapors.

3.   Increasingly, cleaners in the city and around the United States are switching to newer machines that emit few vapors and use less perc.

4.   Most astronomers say that the object must have been a comet, because its fragments emitted enough vapor to reflect sunlight, making them highly visible before the impacts.

5.   The dormant volcano emits sulfuric vapors.

6.   Temperatures inside the extruders rose higher than usual and asphalt appeared softer than normal and emitted vapors from the drums it was put into.